邻二甲苯

邻二甲苯（C8H10）的分子结构、物理性质与来源记录。摩尔质量 106.16 g/mol。查看化学标识、相关反应和材料用途。

化学式
C8H10
官能团
烷基芳烃
摩尔质量
106.16 g/mol
Also known as
1,2-xylene, 1,2-Dimethylbenzene, Ortho-Xylene, o-Xylol, o-Dimethylbenzene, o-Methyltoluene

Identifiers

化学式
C8H10
官能团
烷基芳烃
摩尔质量
106.16 g/mol
Also known as
1,2-xylene, 1,2-Dimethylbenzene, Ortho-Xylene, o-Xylol, o-Dimethylbenzene, o-Methyltoluene
化学标识符
SMILES
CC1=CC=CC=C1C
InChI
InChI=1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3
PubChem CID
7237

性质

熔点
-25.16 °C
沸点
144.5 °C
相对密度（水 = 1）
Relative density (water = 1): 0.88 (20 °C)
水中溶解度
In water, 1.78X10+2 mg/L at 25 °C

Related compounds

参考文献

  1. PubChem Compound Summary: o-Xylene (CID 7237)National Center for Biotechnology Information · PubChem

    Identity, molecular formula, molecular weight and aliases retrieved via PUG REST on 2026-09-08.

  2. Hazardous Substances Data Bank (HSDB): o-Xylene — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7237#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-550

  3. Hazardous Substances Data Bank (HSDB): o-Xylene — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7237#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.). CRC Handbook of Chemistry and Physics. 95th Edition. CRC Press LLC, Boca Raton: FL 2014-2015, p. 3-550

  4. ILO-WHO International Chemical Safety Cards (ICSCs): o-Xylene — densityILO-WHO International Chemical Safety Cards (ICSCs)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7237#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred.

  5. Hazardous Substances Data Bank (HSDB): o-Xylene — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/7237#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Sanemasa I et al; Bull Chem Soc Jpn 18: 1111-230 (1982)